20376195

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4513}}^1$

素因数の和:4571

約数の個数: 32

約数和(自身を含む): 38134272

約数和(自身を除く): 17758077

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 215, 301, 645, 903, 1505, 4513, 4515, 13539, 22565, 31591, 67695, 94773, 157955, 194059, 473865, 582177, 970295, 1358413, 2910885, 4075239, 6792065, 20376195]

約数ペア:

[(1, 20376195), (3, 6792065), (5, 4075239), (7, 2910885), (15, 1358413), (21, 970295), (35, 582177), (43, 473865), (105, 194059), (129, 157955), (215, 94773), (301, 67695), (645, 31591), (903, 22565), (1505, 13539), (4513, 4515)]